Evidence row 68747

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.sitecheck-api.workers.dev/api/airports"
    ]
  ],
  "name": "SiteCheck",
  "owner_address": "0xb8491f953e6860d3b5840b73c60883ff099ceafa",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xa4751fCAa83c9669cfe507bb6807507729839be3",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:480",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI",
        "scheme": "exact"
      },
      {
        "amount": "0.002",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "1cc29ddf-f7ed-466f-af6f-7cde0a353746",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1539",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "5ab4815d-c8ca-4a06-983d-88ed58f2aa07",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      }
    ],
    "description": "Airport lookup in a bundled OurAirports extract (public domain, dated in the answer): by IATA or ICAO code, by name or city words, or the nearest airports within a radius (up to 300 km) of a point. Covers large and medium airports and every airport with an IATA code; small airports without one are left out. Name, codes, type, city, country, coordinates, elevation and Wikipedia link. No time zone (not in the source).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "LHR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "airports": [
                {
                  "city": "London",
                  "country": "GB",
                  "elevationM": 25,
                  "iata": "LHR",
                  "icao": "EGLL",
                  "lat": 51.47075,
                  "lon": -0.45991,
                  "name": "London Heathrow Airport",
                  "type": "large",
                  "wikipedia": "https://en.wikipedia.org/wiki/Heathrow_Airport"
                }
              ],
              "checkedAt": "2026-10-15T14:00:30.557Z",
              "count": 1,
              "dataDate": "2026-10-15",
              "query": {
                "code": "LHR"
              },
              "source": "OurAirports (public domain), large and medium airports and all airports with an IATA code"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "IATA (3 letters) or ICAO (4 letters) code (one of code, q or lat and lon)",
                      "type": "string"
                    },
                    "lat": {
                      "description": "Latitude for the nearest search (with lon)",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Airports to return, 1 to 20, default 10",
                      "type": "string"
                    },
                    "lon": {
                      "description": "Longitude for the nearest search (with lat)",
                      "type": "string"
                    },
                    "q": {
                      "description": "Name or city words, 3 to 60 characters (one of code, q or lat and lon)",
                      "type": "string"
                    },
                    "radiusKm": {
                      "description": "Search radius for the nearest search, 1 to 300, default 300",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T08:21:36.625Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T08:21:36.487Z"
    },
    "resource": "https://api.sitecheck-api.workers.dev/api/airports",
    "serviceName": "SiteCheck",
    "tags": [
      "airports",
      "iata",
      "icao",
      "airport code",
      "nearest airport"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Airport lookup in a bundled OurAirports extract (public domain, dated in the answer): by IATA or ICAO code, by name or city words, or the nearest airports within a radius (up to 300 km) of a point. Covers large and medium airports and every airport with an IATA code; small airports without one are left out. Name, codes, type, city, country, coordinates, elevation and Wikipedia link. No time zone (not in the source)."
}

What the leaf hashes

{"body":"b792e32eedfe15bc00ba0203d30a5c1b24090ec2e81dea26705d97abf1548822","id":68747,"kind":"listing","method":"baseline/1","observed_us":1793025468186923,"prev":null,"subject":"x402_bazaar:https://api.sitecheck-api.workers.dev/api/airports","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x543545d73b640c54814ea32374dc3161aeb776a73bf9701c7ec677cb8993761f
2. 0x7ee8167e9ccaae6a915e2058f9dc56a1f3067a225b1621f64a8017f8b2e40714
3. 0x7c6a9d81298603b1fa487f7c0bee488d7f47d0cd2c6f08f34b77e617c258a975
4. 0x0713d96dbae1b5e76d8aa2226c3d81149a7069390093293e5a4dea0d3f2469f0
5. 0xe840233711fd506f83907955c7f6bb89a8171d21d3a1ee512ae46aa04566c82f
6. 0x013aac99dc9dc433de6cf267862908f242a486499598a0090481f5325f572875
7. 0x0fd94dcf5bea518cbcb839aba8c158129b0885a7ed916c04ee877db45d690485
8. 0x0b38222ef6cdb87ace762836edd6c5ce4e905be4c60135d199fb0b285a532947
9. 0x40581d4b92f98d03f4d30c02fe130618ca6e557f88c320ec8e64c0093ec35134
10. 0xbe52a1de9424037e1e4260713fa281437aa5a001a2cf6c6f46bcd832ee5770bd
11. 0xec824c3c9c635c0935294afc42b42d41176d63a67e608b45abf49b05e262e664
12. 0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae